CES 2017: The wildest, wackiest and weirdest tech

Withings Kerastase Hair Coach

Who really needs a smarter hairbrush? The Kerastase Hair Coach from Withings is interesting, but seems unnecessary. Anyone who blows out their hair already has a favorite hairbrush anyway.

Image: Teena Maddox/TechRepublic

By Teena Maddox

Teena Maddox is Associate Managing Editor at TechRepublic. She oversees TechRepublic's news team and TechRepublic Premium. She focuses on tech and business and how the two worlds intersect. Teena's lifelong journalism career has included writing on s...